<template>
    <div id="app">
        <div id="cover"></div>
        <Header></Header>
        <Footer></Footer>
        <Todo></Todo>
    </div>
</template>

<script>
import Header from './todo/header.vue'
import Footer from './todo/footer.jsx'
import Todo from './todo/todo.vue'



export default {
    components: {
        Header,
        Footer,
        Todo
    }
}
</script>

<style lang="stylus" scoped> //scoped只应用在这个组件内哦
#app{
  position absolute
  left 0
  right 0
  top 0
  bottom 0
}
#cover{
  position absolute
  left 0
  top 0
  right 0
  bottom 0
  background-color #999
  opacity .9
  z-index -1
}
#loading{
  position fixed
  top 0
  right 0
  bottom 0
  left 0
  background-color rgba(255,255,255,.3)
  z-index 99
  display flex
  align-items center
  justify-content center
}
</style>